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Torque Control Mode

thirusdh
Hi 
In Dyno operations, they used to say Speed mode and Torque mode. Speed mode - controls the speed and I used PID to model this. I am confused on how to model torque mode. 
Do we need a complex feedback loop for the Torque mode ? Can't we just use the controls toolkit to model it ?  If so what all the inputs that I need to have. 
 
Any advice will be of great help. 
 
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    I have a part-1 spinning at RPM A. And part-2 will start with RPM A and it ll start to decelerate (I have the complete speed curve for part 2) . For this   I did the same as u mentioned. I used the torque element to give the speed error, speed error dot with PI gains. When there is some speed difference between the two parts, I will try to engage these two and I am interested in finding the peak torque due to this engagement. 
     
    If I use motion, then the peak torque is extremely higher. I wasn't still getting the same kind of torque peak thats being measured. Then I googled about feedback loops in dyno, came across some feedback loops which might help me solve the problem.
    I am attaching an image of the measured values.  My first question was, why isn't the torque in the deceleration phase not shown in the measurement. 
     
    Test
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  • 0
    I have a part-1 spinning at RPM A. And part-2 will start with RPM A and it ll start to decelerate (I have the complete speed curve for part 2) . For this   I did the same as u mentioned. I used the torque element to give the speed error, speed error dot with PI gains. When there is some speed difference between the two parts, I will try to engage these two and I am interested in finding the peak torque due to this engagement. 
     
    If I use motion, then the peak torque is extremely higher. I wasn't still getting the same kind of torque peak thats being measured. Then I googled about feedback loops in dyno, came across some feedback loops which might help me solve the problem.
    I am attaching an image of the measured values.  My first question was, why isn't the torque in the deceleration phase not shown in the measurement. 
     
    Test
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